opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/ClientBackedReadWriteTransaction.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.cluster.databroker;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.CheckedFuture;
  12 import com.google.common.util.concurrent.Futures;
  13 import org.opendaylight.controller.cluster.databroker.actors.dds.ClientTransaction;
  14 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  15 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
  16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  17 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  18
  19 /**
  20  * An implementation of {@link DOMStoreReadWriteTransaction} backed by a {@link ClientTransaction}.
  21  *
  22  * @author Robert Varga
  23  */
  24 final class ClientBackedReadWriteTransaction extends ClientBackedWriteTransaction
  25         implements DOMStoreReadWriteTransaction {
  26
  27     ClientBackedReadWriteTransaction(final ClientTransaction delegate) {
  28         super(delegate);
  29     }
  30
  31     @Override
  32     public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final YangInstanceIdentifier path) {
  33         return Futures.makeChecked(delegate().read(path), ReadFailedException.MAPPER);
  34     }
  35
  36     @Override
  37     public CheckedFuture<Boolean, ReadFailedException> exists(final YangInstanceIdentifier path) {
  38         return Futures.makeChecked(delegate().exists(path), ReadFailedException.MAPPER);
  39     }
  40 }